Hundreds of Islamist extremists ‘ready to attack Europe’

Officials have admitted some of the 800 jihadists are specifically planning to attack Britain.

Spanish counterterrorism sources revealed al-Qaeda and Islamic State extremists are living in Europe waiting for the order to commit terrorist atrocities at the right moment.

It is thought that 350 are Britons who have returned from Islamic State-controlled territories abroad.

An insider said: “These people are not well trained, but they are poised and prepared to do anything.